Master ACT English Skills 2026 – Ace Your Way to Success!

The sentence contains a semicolon before the conjunction "and," which is not the correct usage in this context. A semicolon is used to link two independent clauses that are closely related in content, but when a conjunction follows, a comma should be used instead. Therefore, the sentence should simply use a comma before "and" to connect the two independent clauses (“My brother got a medal in track” and “he was the fastest runner in the whole state”). This illustrates proper sentence structure and conjunction usage, leading to clarity in communication.

The correct response highlights that the initial sentence incorrectly employs both a semicolon and a conjunction, making it grammatically inaccurate.